GB9017077D0 - Optical fibre monitoring - Google Patents
Optical fibre monitoringInfo
- Publication number
- GB9017077D0 GB9017077D0 GB909017077A GB9017077A GB9017077D0 GB 9017077 D0 GB9017077 D0 GB 9017077D0 GB 909017077 A GB909017077 A GB 909017077A GB 9017077 A GB9017077 A GB 9017077A GB 9017077 D0 GB9017077 D0 GB 9017077D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- optical fibre
- fibre monitoring
- monitoring
- optical
- fibre
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB909017077A GB9017077D0 (en) | 1990-08-03 | 1990-08-03 | Optical fibre monitoring |
EP19910305925 EP0469720A3 (en) | 1990-08-03 | 1991-07-01 | Optical fibre monitoring |
GB9114176A GB2246858A (en) | 1990-08-03 | 1991-07-01 | Optical fibre monitoring |
JP19727691A JPH06342107A (en) | 1990-08-03 | 1991-07-12 | Optical-fiber monitoring device |
US07/939,421 US5258615A (en) | 1990-08-03 | 1992-09-03 | Optical fiber monitoring by detection of polarization variations |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB909017077A GB9017077D0 (en) | 1990-08-03 | 1990-08-03 | Optical fibre monitoring |
Publications (1)
Publication Number | Publication Date |
---|---|
GB9017077D0 true GB9017077D0 (en) | 1990-09-19 |
Family
ID=10680136
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB909017077A Pending GB9017077D0 (en) | 1990-08-03 | 1990-08-03 | Optical fibre monitoring |
GB9114176A Withdrawn GB2246858A (en) | 1990-08-03 | 1991-07-01 | Optical fibre monitoring |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9114176A Withdrawn GB2246858A (en) | 1990-08-03 | 1991-07-01 | Optical fibre monitoring |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0469720A3 (en) |
JP (1) | JPH06342107A (en) |
GB (2) | GB9017077D0 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19827638A1 (en) | 1998-06-20 | 1999-12-23 | Alcatel Sa | Method for measuring interference effects on fiber optic transmission links and transmission system |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3971930A (en) * | 1974-04-24 | 1976-07-27 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Polarization compensator for optical communications |
DE3311524C2 (en) * | 1983-03-30 | 1985-11-14 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Fiber optic sensor for force and pressure measurements as well as for monitoring and protection purposes |
GB8515499D0 (en) * | 1985-06-19 | 1985-07-24 | British Telecomm | Digital information transmission system |
ES2039429T3 (en) * | 1986-01-24 | 1993-10-01 | Siemens Plessey Electronic Systems Limited | OPTICAL TRANSMISSION SYSTEMS USING POLARIZATION MODULATION. |
GB8606353D0 (en) * | 1986-03-14 | 1986-04-23 | Jackson D A | Optical data-bus & magnetometer |
IT1189657B (en) * | 1986-04-10 | 1988-02-04 | Cselt Centro Studi Lab Telecom | FIBER OPTIC TRANSMISSION SYSTEM WITH POLARIZATION MODULATION AND COHERENT HETERODINE DETECTION |
GB2199713A (en) * | 1986-12-31 | 1988-07-13 | Stc Plc | Optical communication system |
US4904085A (en) * | 1988-05-04 | 1990-02-27 | Simmonds Precision Products, Inc. | Polarimetric fiber optic sensor testing apparatus |
-
1990
- 1990-08-03 GB GB909017077A patent/GB9017077D0/en active Pending
-
1991
- 1991-07-01 GB GB9114176A patent/GB2246858A/en not_active Withdrawn
- 1991-07-01 EP EP19910305925 patent/EP0469720A3/en not_active Withdrawn
- 1991-07-12 JP JP19727691A patent/JPH06342107A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
GB2246858A (en) | 1992-02-12 |
EP0469720A2 (en) | 1992-02-05 |
JPH06342107A (en) | 1994-12-13 |
EP0469720A3 (en) | 1993-04-07 |
GB9114176D0 (en) | 1991-08-21 |
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